As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R/H FLOOR SILL AT FS 559.00 TO 559.00 +16 HAS CORROSION IN NUMEROUS PLACES. (C-CHECK RO 4/25/2021) REMOVED AND INSTALLED SERVICEABLE 559 SLOOR SILL SECTION FROM 559.00 TO 559+16 IAW CRJ 200 SRM 51-42-06, 51-42-21 AND REO 601R-53-41-2894 REV-- DATED 2021-03-28 AND SKYCARD 51-900-1003-SKY (CL600-2B19) ATTACHED COMPLETED FORM 337 NO WEIGHT CHANGE NOTED.